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Solving business related equations

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2 Answers

Last week it sold three times as many Shuffles as Nanos.
 
the amounts sold are going to be your x's, since you have no clue or anything about nanos, make that X
 
You sold three times as many shuffles so make that your 3x
 
 
the total sales come from multiplying the price for each by the number sold
so for the nano
190 times x
 
for the shuffle
80 times 3x
 
 
for total sales, add everything up and set it equal to 3440
 
190x + (80)3x = 3440
 
190x + 240x =3440
 
430x = 3440   <-- divide by 430
 
x = 8, now make sure you actually answer the question thats being asked
 
so you have 8 nanos and 24 suffles

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